日本榧树（学名：Torreya nucifera）为红豆杉科榧树属下的一个种。

• 日本榧树 Torreya nucifera. 中国植物物种信息数据库. [2013-01-15]. 

Torreya nucifera is a slow-growing, coniferous tree native to southern Japan and to South Korea's Jeju Island. It is also called kaya(榧) Japanese torreya or Japanese nutmeg-yew.